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8/11/2019 Hội Thảo Pscore-ipbb
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PS CORE – IPBACKBONE
Trình bày: DƯƠNG VIỆT MỸ – VMS
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CONTENTS
• Session 1: 3G Network overview
• Session 2: UMTS Core Network Fundamental
• Session 3: IP Backbone
• Session 4: Q&A
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3G Network overview
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3G Network overview4
Why 3G?
• Higher bandwidth enables a range of new applications!!• For the consumer
– Video streaming, TV broadcast – Video calls, video clips – news, music, sports
– Enhanced gaming, chat, location services… • For business
– High speed teleworking / VPN access – Sales force automation – Video conferencing – Real-time financial information
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Different Service, DifferentTechnology
Different Service, Different Technology
AMPS
TACS
NMT
Others
1G 1980s Analog
GSM
CDMA
IS-95
TDMAIS-136
PDC
2G 1990sDigital
Technologies
drive
3GIMT-2000
UMTSWCDMA
cdma2000
Demands
drive
TD-SCDMA
3GPP
3GPP2
3GPP
IMT-2000: International Mobile Telecommunications for the year 2000
3GPP (2): Third Generation Project Partnership (2)
UMTS: Universal Mobile Telecommunication System
WCDMA: Wideband CDMA.
TD-SCDMA :Time Division Synchronous Code Division Multiple Access
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UMTS and CDMA 2000 market share
cdmaOne
GSM
TDMA
2G
PDC
CDMA2000
1x
First Step into 3G
GPRS 90%
10%
EDGE
WCDMA
CDMA2000
1x EV/DV
3G phase 1 Evolved 3G
3GPP Core
Network
CDMA2000
1x EV/DO
HSDPA
Expected market share
EDGE
Evolution
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3G services in Asia
7
• CDMA (1xEV-DO)
– Korea: SKT, KTF
– Japan: AU (KDDI)
• WCDMA / UMTS
– Japan: NTT DoCoMo, Vodafone KK
– Australia: 3 Hutchinson
– Hong Kong: 3 Hutchinson
• TD-SCDMA
– China
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3G Application Service and QoS in UMTSPage9
3G Application Service
Time Delay
BER
background
conversational
streaming
interactive
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WCDMA Protocol Version Evolution(2)
14.0Mbps 42.0Mbps384 kpbs
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WCDMA data rate
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UMTS Network Architecture
13
SD
Mobile Station
MSC/
VLR
Base StationSubsystem
GMSC
Network Subsystem
AUCEIR HLR
Other Networks
Note: Interfaces have been omitted for clarity purposes.
GGSNSGSN
BTSBSC
Node
BRNC
RNS
UTRAN
SIMME
USIMME
+
PSTN
PLMN
Internet
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Mobile subscribers forecast
Source: ABI Research
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Technology moving towards 4G
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UMTS CN Fundamental
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UMTS CN Fundamental
• CS Core Network
• PS Core Network
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UMTS R4 Core Network Structure
GSM /GPRS BSS
BTS
BSC
NodeB
RNC
PCU
UTRAN
SCPSMS
SCE
PSTN/PLMN
Internet,
Intranet
HLR/AuC
SGSN
CGBG
GGSN
GPRS
backbone
MGW MGW
VMSC Server
GMSC Server
IP/ATM BackboneCSDomain
PSDomain
Iu-CS
Iu-PS
SS7
Other PLMN
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Abbreviation-CS Core
• MSC/VLR: Mobile Switch Center/Visitor Location Register
• SMS-GMSC: Gateway MSC For Short Message Service
• SMS: Short Message Service Interworking MSC
• SCP: Service Control Point• GMLC: Gateway Mobile Location Center
• HLR: Home Location Register
• EIR: Equipment Identity Register
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Page21
R4 Soft Switch CS CN Structure
UTRAN
SS7
PSTN/ISDN
BSS
SIGTRAN
SCP SMS
SCE
HLR
APP Server
H.248
BICCVMSC Server
IP(ATM) BackboneMGW MGW
AMR/RTP(AAL2)
GMSC Server
H.248
RANAP
GSM/R99 PLMN
IP Network
TDM
AAL2 TDM
TDM
IP
BSSAP
MAP/CAP
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Page22
Features of Soft Switch CN
• Separated structure of Signalling and Bearer
• Multi voice transport modes: TDM, ATM, IP
• Multi signalling transport modes:• TDM based SS7;
• IP based SIGTRAN
• Adopts BICC, H.248 protocol.
Page23
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Page23
Function of MSC Server
• The signalling functions of MSC and VLR/SSP functions
• The billing function
• The control of MGWs via H.248 protocol• The inter-working function of other MSC Server via BICC protocol
MGW
MSC Server
H.248
MSC Server
H.248
BICC
MGW
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Page24
Function of MGW
The switching function of voice service.
The transform of various media format(G.711/G.729/AMR etc. )
The transform of various transport format( TDM/ATM/IP)
Providing the media related resource
Cooperate with MSC server via H.248 protocol
MGW
MSC Server
H.248
MSC Server
H.248
BICC
MGW
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Page25
Function of Signalling Gateway
• Providing the transform of SS7 protocol stack and SIGTRAN protocolstack (SIGTRAN M3UA /SCTP/IP <=> SS7 MTP3/2/1)
• SG can be a stand alone equipment or combined with MSCServer/MGW/STP
SG MSC ServerPSTN
TDM IP
IP
SCTP
M3UA
ISUP
MTP1
MTP2
MTP3
ISUP
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Page26
MTP3/2/1
SG
PSTNSTP
M3UA/SCTP/IP
IP Backbone
MG MGW
H.248
BICCGMSC Server
MGW
H.248
RANAP
MSC Server
UTRANUTRAN
MGW
R4 Regional Network Structure
Page27
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Page27
IP Backbone
UTRAN
MGW
BICC
TMSC Server
H.248
MSC Server
UTRAN
MGW
H.248 RANAP
MSC Server
RANAP
Regionalnetwork 1
TMSC Server
Regionalnetwork N
R4 Toll Network Structure
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UMTS CN Fundamental
• CS Core Network
• PS Core Network
– Overview
– Working principle
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UMTS CN Fundamental
• CS Core Network
• PS Core Network
– Overview
– Working principle
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GPRS/UMTS PS Network
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Abbreviation-PS Core
• GPRS: General Packet Radio Service
• BSS: Base Station Subsystem
• UTRAN: UMTS Terrestrial Radio AccessNetwork
• SGSN: Service GPRS Support Node
• GGSN: Gateway GPRS Support Node• CG: Charging Gateway
• BG: Bordering Gateway
• PDN: Packet Data Network
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Functions of SGSN
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Functions of GGSN
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Functions of HLR/AuC
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Functions of CG
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Functions of DNS
i f
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Functions of BG
UMTS CN F d l
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UMTS CN Fundamental
• CS Core Network
• PS Core Network
– Overview
– Working principle
UMTS D t T i i St t
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UMTS Data Transmission Structure
T i l A li ti
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Typical Application
T i l A li ti
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Typical Application
T i l A li ti
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Typical Application
R i C t t H ISP
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Roaming: Connect to Home ISP
Roaming Connected Visiting ISP
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Roaming: Connected Visiting ISP
Main Procedures
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Main Procedures
Mobility Management Procedures Session Management Procedures
Attach Procedure
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Attach Procedure
Routeing Area Update
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Routeing Area Update
SRNS relocation
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SRNS relocation
Detach Procedure
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Detach Procedure
PDP Context
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PDP Context
Quality of Service
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Quality of Service
Access Point Name
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Access Point Name
Mobifone APN: m-wap.mnc01.mcc452.gprs
Usage of APN
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Usage of APN
IP Address Allocation
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IP Address Allocation
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IP Backbone
UMTS R4 Core Network Structure
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UMTS R4 Core Network Structure
GSM /GPRS BSS
BTS
BSC
NodeB
RNC
PCU
UTRAN
SCPSMS
SCE
PSTN/PLMN
Internet,
Intranet
HLR/AuC
SGSN
CGBG
GGSN
GPRS
backbone
MGW MGW
VMSC Server
GMSC Server
IP/ATM BackboneCSDomain
PSDomain
Iu-CS
Iu-PS
SS7
Other PLMN
IP BACKBONE STRUCTURE
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IP BACKBONE STRUCTURE
IP BACKBONE FEATURES
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IP BACKBONE FEATURES
• Kiến trúc phân lớp: IP MPLS/BGP.
• Chuyển tải nhiều loại dịch vụ: voice,data, signaling, billing tarrif , …
• Hỗ trợ nhiều loại giao tiếp: FE, GE,STM1, STM4,…
• Dễ dàng mở rộng.
• Triển khai QoS.
Giao thức chạy trên IPBB
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Giao thức chạy trên IPBB
1.OSPF (v2)or ISIS.
2.BGP (MP-BGP)
3.HSRP, VRRP4.MPLS
5.MPLS VPN
OSPF- Open Shortest Path First
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OSPF Open Shortest Path First
• Quảng bá ip network (link kết nối giữa các router + router id_loopback 0) trongbảng global routing table
• Cấu trúc multiple area
– area 0: giữa các P router
– area x: giữa P router và PE router
MP-BGP (MultiProtocol BGP)
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MP BGP (MultiProtocol BGP)
• Trao đổi thông tin route
MPLS-VPN giữa các PE• SWHCM-1 và SWHNI-1N là RR
(Route Reflector) chưa thôngtin route trên toàn mạng
• Các PE khác trao đổi thông tinđịnh tuyến với 2 RR này
HSRP-Hot Standby Router Protocol
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HSRP Hot Standby Router Protocol
- HSRP được sử dụng trên các kết nối từ 7609 đến các thiết bị CE của
từng dịch vụ
- HSRP cung cấp khả năng dự phòng
cao cho link kết nối và router PE
MPLS-MultiProtocol Label Switching
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g
- IPBB sử dụng công nghệ
chuyển mạch nhãn đa giao
thức MPLS
- Traffic vào miền MPLS sẽ
được các router chuyển tiếp dựa vào nhãn (label)
- Tốc độ chuyển mạch nhãn
nhanh hơn chuyển mạch IP
- MPLS là nền tảng để triển
khai MPLS VPN
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THẢO LUẬN
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9/16/2014 65
Ậ
The end
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